A fad diet often promises rapid weight loss or other health benefits like a healthier immune system or longer life. Often made popular by celebrities, these diets - such as Keto, SlimFast, Atkins, Low-Carb and diet pills - encourage weight loss through cutting out food groups or severely restricting calorie intake.
This is a companion discussion topic for the original article at https://patient.info/news-and-features/why-fad-diets-can-actually-lead-to-weight-gain